Jácome, M.I., Izarra, C., Constanzo-Álvarez, V. and Mirón-Valdespino, O. 2004. Gravimetric modeling of the Parguaza granitic intrusion, Guyana Precambrian Shield, southwestern Venezuela using geochronological constraints. Geofisica Internacional. 43, 3 (Jul. 2004), 383–393. DOI:https://doi.org/10.22201/igeof.00167169p.2004.43.3.965.